Software startup ZeroEyes raises $53 million to prevent mass shootingsDan PrimackIllustration: Sarah Grillo/AxiosZeroEyes, a gun detection video analytics and alert platform, on Friday said that it's raised over $53 million in new venture capital funding.The big picture: America has done little to restrict the most popular means of mass murder, but some tech companies are working to reduce the number of incidents.How it works: The Philadelphia-based company's computer vision software integrates ...